Yellow Radioactive Radiation Warning Sign Short-Sleeve T-Shirt

The life of the radioactive 'trefoil' began in 1946 at the University of California, Berkeley. The symbol was first 'doodled' by members of a research group headed by Nels Garden, who wrote in a letter that the symbol “would best symbolize the degree of hazard, type of activity, etc., but which was simple in design”. Gothic Horror Occult Clothing. You've now found the staple t-shirt of your wardrobe. It's made of 100% ring-spun cotton and is soft and comfy. The double stitching on the neckline and sleeves add more durability to what is sure to be a favorite! • 100% ring-spun cotton • 4.5 oz/yd² (153 g/m²) • Shoulder-to-shoulder taping • Quarter-turned to avoid crease down the center This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions! Size guide LENGTH (inches)WIDTH (inches)S2818M2920L3022XL31242XL32263XL3328 LENGTH (cm)WIDTH (cm)S71.145.7M73.750.8L76.255.9XL78.7612XL81.3663XL83.871.1